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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h2>在末尾对齐内容</h2> <p>使用 .justify-content-*-end 在不同屏幕尺寸的末尾（右对齐）显示 flex 项目。</p> <p>请调整浏览器窗口大小来查看效果。</p> <p><code>.justify-content-end</code>:</p> <div class="d-flex justify-content-end bg-secondary mb-3"> <div class="p-2 bg-info">Flex item 1</div> <div class="p-2 bg-warning">Flex item 2</div> <div class="p-2 bg-primary">Flex item 3</div> </div> <p><code>.justify-content-sm-end</code>:</p> <div class="d-flex justify-content-sm-end bg-secondary mb-3"> <div class="p-2 bg-info">Flex item 1</div> <div class="p-2 bg-warning">Flex item 2</div> <div class="p-2 bg-primary">Flex item 3</div> </div> <p><code>.justify-content-md-end</code>:</p> <div class="d-flex justify-content-md-end bg-secondary mb-3"> <div class="p-2 bg-info">Flex item 1</div> <div class="p-2 bg-warning">Flex item 2</div> <div class="p-2 bg-primary">Flex item 3</div> </div> <p><code>.justify-content-lg-end</code>:</p> <div class="d-flex justify-content-lg-end bg-secondary mb-3"> <div class="p-2 bg-info">Flex item 1</div> <div class="p-2 bg-warning">Flex item 2</div> <div class="p-2 bg-primary">Flex item 3</div> </div> <p><code>.justify-content-xl-end</code>:</p> <div class="d-flex justify-content-xl-end bg-secondary mb-3"> <div class="p-2 bg-info">Flex item 1</div> <div class="p-2 bg-warning">Flex item 2</div> <div class="p-2 bg-primary">Flex item 3</div> </div> <p><code>.justify-content-xxl-end</code>:</p> <div class="d-flex justify-content-xxl-end bg-secondary mb-3"> <div class="p-2 bg-info">Flex item 1</div> <div class="p-2 bg-warning">Flex item 2</div> <div class="p-2 bg-primary">Flex item 3</div> </div> </div> </body> </html>